v.6.39.0

Improvements:

1. [LUNA-7195] SDK version updated to 5.23.0

2. [LUNA-7204] Handler & verifier detection policy was extended with face occlusion estimation policy & face occlusion filter. See the estimate_face_occlusion and face_occlusion_states parameters in handler detect policy, verifier detect policy.

3. [LUNA-7204] Generated event structure extended with face occlusion estimation & filtration results. See save raw event, generate event.

Migration:

See a migration manual.

[LUNA-7195] See a migration manual.

[LUNA-7204] See a migration manual.